E‐cigarette users are associated with asthma disease: A meta‐analysis

Abstract

At present, there are more than 300 million asthma patients in the world. Electronic cigarettes (e‐cigarettes) are considered as a new way of smoking and are loved by young people. The relationship between e‐cigarettes and asthma risk is still controversial. Therefore, we conducted a meta‐analysis to explore the relationship between e‐cigarettes and asthma.